Home / 37,864.68-52,251.13-20,868.88

Finding the Fourth Proportional to 37,864.68, 52,251.13 and 20,868.88

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Solution

The fourth proportional to 37,864.68, 52,251.13 and 20,868.88 is: 28,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,864.68 : 52,251.13 = 20,868.88 : x
  2. Step 2: Convert to fraction form
    37,864.68/52,251.13 = 20,868.88/x
  3. Step 3: Cross multiply
    37,864.68x = 52,251.13 × 20,868.88
  4. Step 4: Simplify right side
    37,864.68x = 1,090,422,386.24
  5. Step 5: Solve for x
    x = 1,090,422,386.24/37,864.68
  6. Step 6: Final answer
    x = 28,797.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.